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RPC (reactive powder concrete) cable tray cover plate for tunnels and bridges

A cable slot cover, active powder technology, used in the direction of cable installation in tunnels, cable installation, etc.

Inactive Publication Date: 2017-11-07
楚雄佑琳生科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when used as a cable duct cover, performance improvement is still required

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] RPC cable channel cover, the preparation method is:

[0023] (1) 100 parts by weight of white cement, 2 parts by weight of nano-titanium dioxide, 1 part by weight of aeolian sand, 1 part by weight of quartz sand, 6 parts by weight of montmorillonite, and 2 parts by weight of silane coupling agent KH -560, 1 part by weight of steel fiber, 10 parts by weight of silica fume, 10 parts by weight of slag powder, 1 part by weight of carboxymethyl cellulose, 1 part by weight of sodium carbonate, 10 parts by weight of sulfonated polyphosphazene -The nano-silica composite, 50 parts by weight of ethanol and 100 parts by weight of deionized water are added to the mixer, the stirring time is 10 minutes, and the stirring speed is 800 rpm to obtain the stirrer;

[0024] (2) Pour the mixture obtained above into a prefabricated mold, perform proper vibration for 120s, and then carry out the standard curing of the test piece. The standard curing conditions are temperature 20°C, relative ...

Embodiment 2

[0030] RPC cable channel cover, the preparation method is:

[0031] (1) 100 parts by weight of white cement, 10 parts by weight of nano-titanium dioxide, 10 parts by weight of aeolian sand, 10 parts by weight of quartz sand, 10 parts by weight of montmorillonite, and 5 parts by weight of silane coupling agent KH -560, the steel fiber of 5 parts by weight, the silica fume of 30 parts by weight, the slag powder of 15 parts by weight, the carboxymethyl cellulose of 10 parts by weight, the sodium carbonate of 5 parts by weight, the sulfonated polyphosphazene of 15 parts by weight -The nano-silica composite, 100 parts by weight of ethanol and 200 parts by weight of deionized water are added to the mixer, the stirring time is 10 minutes, and the stirring speed is 800 rpm to obtain the stirring material;

[0032] (2) Pour the mixture obtained above into a prefabricated mold, perform proper vibration for 120s, and then carry out the standard curing of the test piece. The standard curi...

Embodiment 3

[0038] RPC cable channel cover, the preparation method is:

[0039] (1) 100 parts by weight of white cement, 7 parts by weight of nano-titanium dioxide, 6 parts by weight of drift sand, 7 parts by weight of quartz sand, 8 parts by weight of montmorillonite, and 3 parts by weight of silane coupling agent KH -560, the steel fiber of 3 parts by weight, the silica fume of 18 parts by weight, the slag powder of 13 parts by weight, the carboxymethyl cellulose of 7 parts by weight, the sodium carbonate of 3 parts by weight, the sulfonated polyphosphazene of 13 parts by weight -The nano-silica composite, 80 parts by weight of ethanol and 130 parts by weight of deionized water are added to the mixer, the stirring time is 10 minutes, and the stirring speed is 800 rpm to obtain the stirrer;

[0040] (2) Pour the mixture obtained above into a prefabricated mold, perform proper vibration for 120s, and then carry out the standard curing of the test piece. The standard curing conditions are ...

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PUM

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Abstract

The invention discloses a RPC (reactive powder concrete) cable tray cover plate for tunnels and bridges. The RPC cable tray cover plate is prepared from the following raw materials and components in parts by weight: 100 parts of white cement, 2 to 10 parts of nanometer titanium dioxide, 1 to 10 parts of aeolian sand, 1 to 10 parts of quartz sand, 6 to 10 parts of montmorillonite, 2 to 5 parts of siliane coupling agent KH-560, 1 to 5 parts of steel fiber, 10 to 30 parts of silicon ash, 10 to 15 parts of ore slag powder, 1 to 10 parts of carboxymethyl cellulose, 1 to 5 parts of sodium carbonate, 10 to 15 parts of sulfonated polyphosphazene-nanometer titanium dioxide compound, 50 to 100 parts of ethyl alcohol and 100 to 200 parts of deionized water. The prepared RPC cable tray cover plate has the advantages that the strength is high, the toughness is good, the durability is strong, and the market prospect is strong.

Description

technical field [0001] The invention relates to the technical field of cable trough cover plates, in particular to an active powder concrete RPC cable trough cover plate for tunnel bridges. Background technique [0002] As the use of cables continues to increase, the use of cable duct covers continues to increase. The existing cable duct cover plate is generally prepared by using ordinary concrete, which has poor strength and toughness and short service life, so it needs to be replaced constantly. Reactive powder concrete (ReactivePowderConcrete) is a high-strength, high-durability, cement-based material developed by PierreRichard et al. in France in the 1990s following ordinary concrete. According to the principle of closest packing, RPC material adopts high-density cement-based uniform system model, uses 400-600 micron quartz sand as aggregate, and mixes a certain volume of micro-steel fiber and active minerals, and is equipped with forming pressure and heat treatment ...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B24/16C08G79/025C04B24/28H02G9/08
CPCC04B28/04C04B24/166C04B40/0039C04B2201/52C08G79/025H02G9/08C04B14/305C04B20/008C04B14/06C04B14/104C04B24/42C04B14/48C04B18/146C04B18/141C04B24/383C04B22/10C04B24/02C04B24/281C04B14/062C04B24/16
Inventor 容七英章慧芹
Owner 楚雄佑琳生科技有限公司
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